UPSD.CONF(5) NUT UPSD.CONF(5) (NAME) upsd.conf - upsd Network UPS Tools (DESCRIPTION) upsd(8) . . upsd . (IMPORTANT NOTES) o (ASCII) ( ). o ( ) upsd . chown root:nut chmod 640 . o ( ) NUT . nobody:nogroup . o NUT . user group RUN_AS_USER / RUN_AS_GROUP . o . . o . (CONFIGURATION DIRECTIVES) MAXAGE seconds upsd <<>> (stale) . MAXAGE upsd . . TRACKINGDELAY seconds . ( ) . ALLOW_NO_DEVICE Boolean upsd ups.conf . upsd . true yes on 1 ups.conf . false no off 0 ups.conf . . nut.conf init service unit . ALLOW_NOT_ALL_LISTENERS Boolean upsd LISTEN . IP ( ) LISTEN LISTEN * upsmon localhost . IP LISTEN upsd (restart) . true yes on 1 . false no off 0 ( localhost) upsd.conf . . nut.conf init service unit . STATEPATH path upsd path . upsd ups.conf ( ) . NUT_STATEPATH ( init ) . LISTEN interface port (bind) . . . TCP port . configure --with-port . configure upsd 3493 . LISTEN . LISTEN 127.0.0.1 ( ::1 IPv6 ). IP :: IPv6 0.0.0.0 IPv4 . LISTEN * ( ) (wild-card) IPv6 (::0) IPv4 (0.0.0.0) upsd . IPv4 IPv6 RFC-3493 . LISTEN 127.0.0.1 LISTEN 192.168.50.1 LISTEN myhostname.mydomain LISTEN ::1 LISTEN 2001:0db8:1234:08d3:1319:8a2e:0370:7344 . upsd ( reload ). NUT IPv4 IPv6 ( <> ) . ( NUT v2.8.1) IPv4 . MAXCONN connections . UPS LISTEN . . . poll poll . . CERTFILE certificate file SSL OpenSSL . PEM ( ) CA ( ) CA () . . SSL NUT docs/security.txt NUT NUT . CERTPATH certificate database SSL NSS . ( ) . . CERTIDENT certificate name database password SSL NSS . "certificate name" . CERTREQUEST certificate request level SSL NSS ( `docs/security.txt` NUT ) upsd . issue #3329 NUT . : o 0 NO o 1 REQUEST o 2 REQUIRE ( ) DISABLE_WEAK_SSL BOOLEAN upsd (ciphers) / SSL/TLS . OpenSSL NSS TLSv1.2 . . . DEBUG_MIN INTEGER (debug) upsd . -D . reload DEBUG_MIN NUMBER ( I/O ). DEBUG_MIN (reloaded) ( CLI) ( ) . (SEE ALSO) upsd(8), nutupsdrv(8), upsd.users(5) (Internet resources): NUT (Network UPS Tools): https://www.networkupstools.org/historic/v2.8.5/ Network UPS Tools 2.8.5 06/21/2026 UPSD.CONF(5)